Reactive flash sintering-spark plasma sintering route for high-performance Bi2Te2.7Se0.3 thermoelectric materials in low-grade heat harvesting

Key Points

• High-performance thermoelectric materials were synthesized using reactive flash sintering and spark plasma sintering methods, catering to energy conversion needs.
• The Bi2Te2.7Se0.3 materials displayed significant improvements in thermoelectric efficiency, converting low-grade heat to electricity with a notable Seebeck coefficient.
• Observations from the synthesis process revealed that optimized sintering conditions enhanced material properties, leading to better thermoelectric performance.
• Results suggest that utilizing these materials for low-grade heat harvesting may enable more efficient energy utilization in various applications.